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path: root/drivers/usb/core/devio.c
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Diffstat (limited to 'drivers/usb/core/devio.c')
-rw-r--r--drivers/usb/core/devio.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 20290c5b1562..2bccefebff1b 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -413,7 +413,8 @@ static void driver_disconnect(struct usb_interface *intf)
if (likely(ifnum < 8*sizeof(ps->ifclaimed)))
clear_bit(ifnum, &ps->ifclaimed);
else
- warn("interface number %u out of range", ifnum);
+ dev_warn(&intf->dev, "interface number %u out of range\n",
+ ifnum);
usb_set_intfdata(intf, NULL);
@@ -624,6 +625,8 @@ static int usbdev_open(struct inode *inode, struct file *file)
smp_wmb();
list_add_tail(&ps->list, &dev->filelist);
file->private_data = ps;
+ snoop(&dev->dev, "opened by process %d: %s\n", task_pid_nr(current),
+ current->comm);
out:
if (ret) {
kfree(ps);
@@ -1729,9 +1732,9 @@ static int usb_classdev_add(struct usb_device *dev)
{
struct device *cldev;
- cldev = device_create_drvdata(usb_classdev_class, &dev->dev,
- dev->dev.devt, NULL, "usbdev%d.%d",
- dev->bus->busnum, dev->devnum);
+ cldev = device_create(usb_classdev_class, &dev->dev, dev->dev.devt,
+ NULL, "usbdev%d.%d", dev->bus->busnum,
+ dev->devnum);
if (IS_ERR(cldev))
return PTR_ERR(cldev);
dev->usb_classdev = cldev;
@@ -1774,19 +1777,20 @@ int __init usb_devio_init(void)
retval = register_chrdev_region(USB_DEVICE_DEV, USB_DEVICE_MAX,
"usb_device");
if (retval) {
- err("unable to register minors for usb_device");
+ printk(KERN_ERR "Unable to register minors for usb_device\n");
goto out;
}
cdev_init(&usb_device_cdev, &usbdev_file_operations);
retval = cdev_add(&usb_device_cdev, USB_DEVICE_DEV, USB_DEVICE_MAX);
if (retval) {
- err("unable to get usb_device major %d", USB_DEVICE_MAJOR);
+ printk(KERN_ERR "Unable to get usb_device major %d\n",
+ USB_DEVICE_MAJOR);
goto error_cdev;
}
#ifdef CONFIG_USB_DEVICE_CLASS
usb_classdev_class = class_create(THIS_MODULE, "usb_device");
if (IS_ERR(usb_classdev_class)) {
- err("unable to register usb_device class");
+ printk(KERN_ERR "Unable to register usb_device class\n");
retval = PTR_ERR(usb_classdev_class);
cdev_del(&usb_device_cdev);
usb_classdev_class = NULL;